{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906913",
    "entityType": "User",
    "nonce": "0x010066fcb126e6b8748c691cdb4a362684843ad0ef55b2f264f54fccab8f1f40",
    "signature": "0x82bc1f81eb80d841516c72dddf11af6ef1ba65545c32eaa616a8394613cbdc353b028178f16bc1c6e3a0845ea5ba3913582855480317b4352b2313cd31a797c51c",
    "signer": "0x47bF11DdE03594c25814c08592866D0B09eb566A",
    "userId": "597397433"
  }
}